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Sys.WebForms.PageRequestManagerServerErrorException: SetPartialRenderingMode can only be called once RRS feed

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  • User230766423 posted

    Hi All

    this is in usercontrol. And this usercontrol is the part of SharePoint WebPart

    When I click ajax:CollapsiblePanelExtender it throws above error

    Sys.WebForms.PageRequestManagerServerErrorException: SetPartialRenderingMode can only be called once

    <ajax:CollapsiblePanelExtender ID="CollapsiblePanelExtender1" runat="server" TargetControlID="pnlIssuesControls" CollapseControlID="ImgButton" ExpandControlID

    ="ImgButton"

    Friday, November 29, 2013 8:47 AM

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